My research focuses on finding innovative ways to apply machine learning and human factors principles in the design and analysis of complex human-in-the-loop systems. In particular, I am interested in the evaluation of human-computer interaction, and UX research of technologies.
- I have experience and expertise spanning a complete life cycle (planning, conducting, managing and documenting) of user research.
- I envision combining machine learning tools and human factors knowledge to develop and evaluate user experience on the behavioral aspects that shall redefine the baseline for safety and simplicity in device design.
- I am passionate about drawing insights from the subtle and complex ways we (humans) accomplish tasks.
- I desire to excel in placing a human-centered focus on the work (context, end-user impact, etc), exploring solutions that work in practice and have a significant impact on people's lives.
- I enjoy working in teams and undertaking challanging projects.
Startup  proud failure
CHI'21. Yokohama, Japan
I am delighted to announce that I have won Gary Marsden Travel Award form SIGCHI.
Paper Publication     NEW!
CHI'21. Yokohama, Japan
Our paper "DeepTake: Prediction of Driver Takeover Behavior using Multimodal Data" has been accepted for publication at the ACM Conference on Human Factors in Computing Systems (CHI 2021). (Acceptance Rate: 731/2844 = 25.7%)
[arXiv] [code] [BibTeX]
Paper Publication     NEW!
ICCPS'21. Nashville, US
Our paper "Trust-Based Route Planning for Automated Vehicles" has been accepted for publication at the ACM/IEEE International Conference on Cyber-Physical Systems (ICCPS 2021). (Acceptance Rate: 26%)
University of Virginia, VA
I am honored to announce that I received Engineering Grant Ripple Entreprenurial Fellowship.
AutoUI'20. DC, US
Our paper "Toward Minimum Startle After Take-Over Request: A Preliminary Study of Physiological Data" has been accepted for poster presentation at the International ACM Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutoUI 2020)
Our book chapter "Fundamentals and Emerging Trends of Neuroergonomic Applications to Driving" has been published, detailing the state-of-the-art neuroergonomic applications used in vehicle automation and navigation technologies
Safe-SCAD, Predicting Driver Behavior [Webpage]
2019 - Present
Sponsored by Toyota InfoTech & University of York
I'm the primary researcher in the Safe-SCAD project, a collaborative project between UVA, Carnegie Mellon University, University of York. The project aims to understand the driver’s role in the safe operation of the semi-autonomous vehicles. I contributed to the project by:
- Designing, developing and integrating various mixed traffic driving scenarios using Matlab Simulink..
- Managing and training a team of 4 undergrad research assistants primarily responsible for lab experimentation data entry, and coding.
- Developing surveys, recruting 25 participants (including pilots).
- Measuring task completion, reaction time, error rates, and quality of takeover.
- Pre-processing and analyzing user's subjective and objective data (GSR, Heart Rate, Eye-Tracker, and EEG)
- Developing the first neural network model for reliably predicting multiple aspects of driver's takeover behavior, called DeepTake, by using Python, and Tensorflow.
- Evaluating the performance of DeepTake and compared with traditional machine learning techniques(SVM, Logistic Reg., Naive Bayes, Random Forest) where DeepTake improved the performance from 78% to 93% on average.
Driver Perception and Safety Feedback
2018 - 2020
Sponsored by UVA School of Data Science
The goal of my project is developing a novel methodology to predict the cognitive states of Autonomous Vehicle drivers and alerts them such that they are able to respond in a timely and informed fashion. As the data scientist and human factors engineer I facilitated:
- Conducting literature reviews across human factors fundamentals and emerging technologies for perception and cognition applications.
- Writing grant proposals, designing, and conducting extensive study on the effect of takeover modalities on perception and mental readiness
- Developing driving scenarios using Simulink and Unity
- Measing task completion time, reaction time, error rates, and biometric data (HR, eye-Tracker).
- Analyzing EEG data using spectral power analyses with MATLAB Toolbox EEGLab and NeuroScan software.
- Analyzing surveys and physiological data from 10 individuals using univariate, multivariate, regression, and advanced statistical analyses to predict how cognitive state and mental readiness would change wrt. type of given alarm.
- Developed machine learning algorithms that consider external hazards in conjunction with drivers’ cognitive states.
Cognitive Trust in Human-Autonomous Vehicle Interactions
2018 - 2020
Sponsored by NSF & Toyota InfoTech
- Developed a signal Temporal Logic (STL) to check evolution of the driver trust to the automated system.
- Formalized the human-automation interaction as a partially observable Markov decision process (POMDP) and model trust as a partially observable state.
Effect of Worker's mood on productivity
2015 - 2016
Led the creation, execution, and analysis of individuals' mood (e.g. appetite and tiredness), emotion (e.g. happy, anxious, and distressed), and cognitive state on productivity and social contagion.
- Planned and wrote the proposal on investigating the effect of workers' mood changes on the productivity throughout a shift.
- Applied human factors principles and usability heuristics to identify the strengths and shortcomings of existing interactions in the workplace.
- Designed, ran, analyzed and presented ethnographic research.
- Led the data collection, interviews and survey responses capturing employees feedback and moods.
- Captured mood states prior and during a shift by qualitative methods (interviews and observation) and modeled their negative and positive moods in the subsequent time period using quantitative methods (parametric statistics)
- Presented the research findings, usability data, and product development process and the main effect of mood change on each phase on the Proceeding of WSC conference 2016.
My research tends to find innovative solutions to exising human-computer interaction problems, mainly in transportation sector. We conducted research to understand how humans interact with automated vehicles and how automation can faciliate their requirements.
MEDIRL: Predicting the Visual Attention of Drivers via Maximum Entropy Deep Inverse Reinforcement Learning
DeepTake: Prediction of Driver Takeover Behavior using Multimodal Data [CHI 2021]
Trust-Based Route Planning for Automated Vehicles [ICCPS 2021]
Formal Analysis of a Neural Network Predictor in Shared-Control Autonomous Driving [AIAA 2021]
Toward Minimum Startle After Take-Over Request: A Preliminary Study of Physiological Data [AutoUI 2020]
Fundamentals and Emerging Trends of Neuroergonomic Applications to Driving
A Case Study of Trust on Autonomous Driving [ITSC 2019]
Discrete Event Simulation of Driver’s Routing Behavior Rule at a Road Intersection [WSC 2019]
The Effect of Whole-Body Haptic Feedback on Driver’s Perception in Negotiating a Curve [HFES 2018]
Simulating the Effect of Workers' Mood on the Productivity of Assembly Lines [WSC 2016]
Services & Awards
I have had the great privilege of working with some of the most talented individuals in different organizations. I am also honored to have had the chance of reviewing great papers for the following journals and conferences.
Have served as the president and vice presidents of student clubs.
Reviewed 20+ papers for journals and conferences in areas of HCI, UI, Human Factors, Machine Learning, and Cyber-Physical Systems.
Hard work sometimes DOES pay off
Let's keep in touch. I'd like to hear from you.
Beautiful Charlottesville, VA
ep2ca AT virginia.edu